在我们之外有一个巨大的世界,它离开我们人类而独立存在,它在我们面前就像一个伟大而永恒的谜,然而至少部分地是我们的观察和思维所能及的。对这个世界的凝视深思,就像得到解放一样吸引着我们... — 爱因斯坦 I incline to the opinion that the wave function does not (completely) describe what is real, but only a to us empirically accessible maximal knowledge regarding that which really exists This is what I mean when I advance the view that quantum mechanics gives an incomplete description of the real state of affairs. — Einstein, in a 1945 letter to Epstein PoQM Lecture 5.pdf